Wild Yam: Benefits, Uses & Dosage

Wild Yam (Dioscorea spp.) is known as Aluka in Sanskrit and Shan Yao in Chinese medicine. It has a sweet and bitter rasa, cooling virya, and sweet vipaka, making it a potent pacifier of both Vata and Pitta doshas. It may aggravate Kapha in excess due to its heavy, nutritive qualities. The herb acts on plasma, muscle, fat, marrow, nerve, and reproductive tissues, and influences the nervous, reproductive, digestive, and urinary systems.

Wild Yam is classified as a nutritive tonic, aphrodisiac, rejuvenative, diuretic, antispasmodic, and analgesic. Many varieties possess strong rejuvenative powers, increasing semen, milk, and other hormonal secretions while promoting healthy body weight. The American variety is particularly rich in hormones and serves as an effective tonic for the female reproductive system. Oriental and Mexican varieties are traditionally regarded as rejuvenatives for men.

Key indications include impotence, senility, hormonal deficiency, infertility, colic, nervous excitability, hysteria, and abdominal pain and cramps. Wild Yam also has a soothing and harmonizing effect on the digestive organs. It should be used with caution in cases of excess mucus or congestion in the body. It is typically prepared as a decoction, milk decoction, or powder (250 mg to 1 g).

A traditional restorative preparation involves cooking five grams of Wild Yam powder in a cup of milk with ghee, honey, and raw sugar, taken daily for seminal debility, deficient lactation, or emaciation. Related plants Vidari-Kanda (Ipomoea digitata) and Pueraria (Pueraria tuberosa) are used similarly as aphrodisiac and nutritive tonics, with Vidari-Kanda considered even stronger in these properties and sometimes called an "Indian ginseng."